. . . . . . . "1972-05-01T00:00:00Z"^^ . . "Chen canagica" . . "Poaceae" . . "Eisenhauer, D.I. and C.M. Kirkpatrick. 1977. Ecology of the emperor goose in Alaska. Wildlife Monographs 57:3-62." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .